Understanding the Real Issues Before Installing Your Wall-Mounted Air Conditioner
In the world of residential and commercial HVAC in Montreal, Laval, Longueuil, the North Shore, and the South Shore, many clients hesitate to ask certain questions to their installer out of fear of sounding uninformed or impolite. Yet, these "awkward questions" are often the most strategic, as they reveal the transparency, expertise, and reliability of the professional entering your living or working space.
At AirGreen, we value clients who want to fully understand what they’re buying and why. It’s precisely this kind of open dialogue that allows us to deliver some of the most trusted air conditioner installation services throughout Greater Montreal. So here are the five crucial questions you should ask – without hesitation – to your HVAC installer, along with our honest answers based on real installations.
Is this model truly suited to my home, or is it just what you have in stock?
Too often, contractors recommend a single model without doing a proper analysis. However, an incorrect load calculation can lead to overconsumption, premature wear, or poor cooling performance.
At AirGreen, every installation starts with an accurate heat load assessment of the space. For example, during a recent installation of a 12,000 BTU FUJITSU KZAH R-32 wall-mounted heat pump in Longueuil, we recalculated the load after noticing the client had recently replaced their windows. That kind of adjustment changes everything.
Takeaway: Your installer must be able to justify their model recommendation with precise data. If their answer is vague, that’s a red flag.
Will you be using subcontractors, or is your in-house team doing the installation?
A delicate question – but a vital one. Many companies outsource their installations, which can result in a lack of follow-up, accountability, or consistency in service quality.
At AirGreen, we never subcontract our HVAC installations. Our technicians are trained in-house to meet our strict standards. On a recent project in Laval for a Gree Sapphire 18,000 BTU wall-mounted heat pump, the client specifically requested that no subcontractors be involved after a previous bad experience. The result? A clean, fast, and efficient installation by our certified team.
Takeaway: Make sure to ask who will actually be installing your system. You deserve a consistent and quality-controlled service.
Is the unit eligible for any local grants or tax credits?
Many hesitate to ask this, worried they’ll seem “too focused on money.” But in truth, available HVAC subsidies in Quebec can amount to several thousand dollars, especially through Hydro-Québec’s LogisVert program.
At AirGreen, we incorporate this process from the very beginning. In Montreal, while installing a 24,000 BTU Gree Extreme wall-mounted air conditioner, we helped the client obtain a $1,860 LogisVert rebate—at no extra cost. This is a standard part of our service.
Takeaway: A good installer should be well-versed in the current rebates and help you access them.
What happens if the system breaks down in the first 12 months?
This isn’t a pessimistic question—it’s a responsible one. Too many homeowners are left with faulty units and installers who suddenly vanish.
AirGreen provides a full one-year labor warranty, in addition to manufacturer warranties that often extend up to 10 years (especially for brands like Goodman or Bosch). If there’s a problem, our team responds quickly and without hidden fees, as we did for a central ACD heat pump in Sainte-Julie, where an unusual vibration was resolved within 24 hours.
Takeaway: Make sure the after-sales service is clearly defined, documented, and responsive.
Can you show me examples of past installations similar to mine?
This is a doubly useful question: it lets you verify the company’s experience and get a clear idea of the final result.
At AirGreen, we document every air conditioner installation project with photos, technical specs, BTU info, project timelines, and any rebates obtained. Clients can view our portfolio before making a decision. A telling example: our installation of a Bosch BIVA IDS Premium R-454B central heat pump in Beaconsfield, completed in a home with cathedral ceilings. The technical challenge? Ensuring even airflow to mezzanine rooms. Mission accomplished.
Takeaway: A trustworthy installer has nothing to hide—and everything to show.
Mistakes to Avoid Before Installing Your Air Conditioner
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Focusing only on price without considering the level of expertise or warranties offered
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Choosing a company that can’t name exact local projects they’ve completed
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Accepting a quote without an on-site visit
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Skipping annual maintenance just because the unit is new
Why These Questions Matter So Much
By asking these questions up front, you:
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Protect your investment long-term
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Avoid unexpected technical or financial surprises
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Maximize comfort, efficiency, and performance from your AC system
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Select a professional truly worthy of your trust
What We Do at AirGreen—and Why It Makes All the Difference
We believe that every client deserves complete support, from selecting the right unit to its annual maintenance, including meticulous installation and help securing rebates.
By choosing AirGreen for your wall-mounted air conditioner installation in Montreal, Laval, Longueuil, the North Shore, or the South Shore, you benefit from:
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No subcontractors, ever
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Technicians trained to our in-house standards
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Detailed installation reports and thermal evaluations
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Top HVAC brands: Fujitsu, Gree, Sharp, Bosch, Goodman, and more
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Personalized support for all available rebates
One Last Piece of Advice
Don’t let politeness stop you from getting the answers you need. A professional AC installer should welcome your toughest questions—especially those “awkward” ones.
Ready to Ask the Right Questions to the Right Team?
Contact AirGreen today to schedule your free technical visit and receive a transparent, detailed quote tailored to your needs.